Medical Computer Business Services–What You Need to Know & What to Do Next
Medical Computer Business Services (MCBS) confirmed a data breach affecting over 1.2 million individuals in a notice published on July 30, 2026, disclosing an incident that occurred on September 22, 2025. If you were affected, contact Almeida Law Group.
About Medical Computer Business Services
Medical Computer Business Services is an Augusta, Georgia-based revenue cycle management company that provides billing, medical coding, claims processing, accounts receivable management, and other administrative services to healthcare providers across the United States.
What Happened?
On July 30, 2026, MCBS publicly confirmed that a data security incident occurring on September 22, 2025, and discovered on September 25, 2025, had exposed the sensitive personal data of approximately 1,261,464 individuals. According to the company’s breach notice, the compromised information includes names, addresses, Social Security numbers, dates of birth, health plan beneficiary numbers, health insurance policy numbers, subscriber identification numbers, health insurance information, medical history, mental or physical condition, medical treatment information, and diagnosis information.
The ransomware group Pear has claimed responsibility for the attack and alleged exfiltration of 3.3 terabytes of confidential data, though this claim remains unverified. The breach affected individuals across multiple states including South Carolina, Texas, Massachusetts, and others. As of this writing, the full scope of the incident and the complete list of affected jurisdictions remain under review.
Key Facts at a Glance
Company or Organization: Medical Computer Business Services (MCBS)
Industry: Healthcare Services (Revenue Cycle Management)
Location: Augusta, Georgia
Threat Actor: Pear
Incident type: Confirmed data breach resulting in unauthorized access and data exposure
Date of incident: September 22, 2025
Data reportedly stolen: 3.3 terabytes of confidential data (alleged by threat actor, unverified)
Data types potentially involved: Names, addresses, Social Security numbers, dates of birth, health plan beneficiary numbers, health insurance policy numbers, subscriber identification numbers, health insurance information, medical history, mental or physical condition, medical treatment information, diagnosis information
Company confirmation: Confirmed by MCBS on July 30, 2026
Source: TEISS — https://www.teiss.co.uk/news/mcbs-data-breach-exposes-personal-information-of-12-million-individuals-17912
What Should You Do?
If you are an individual whose information was exposed in the MCBS data breach, watch for any official breach notification materials from the company for details on identity theft protection or credit monitoring services that may be offered. Given the highly sensitive nature of health insurance and medical information involved, monitor your health, financial, and insurance records for suspicious activity. Consider placing a fraud alert or credit freeze with Equifax, Experian, and TransUnion to help protect against identity theft. Request your free credit reports at AnnualCreditReport.com and review them carefully for unfamiliar accounts or activity. Watch for phishing attempts referencing this incident or your healthcare and insurance information, and report suspected identity theft at IdentityTheft.gov.
Your Legal Rights
If your personal or health information was exposed in this breach, you may have legal rights depending on the facts as they develop and the law in your state. Almeida Law Group represents consumers in data breach and privacy litigation and can help you evaluate whether you may have a claim. Contact us at (708) 529-5418 or through our contact page at almeidalawgroup.com for a free case evaluation.